{"id":"W3174851257","doi":"10.1186/s12889-021-11241-6","title":"Examining the impact of the early stages of the COVID-19 pandemic period on youth cannabis use: adjusted annual changes between the pre-COVID and initial COVID-lockdown waves of the COMPASS study","year":2021,"lang":"en","type":"article","venue":"BMC Public Health","topic":"Cannabis and Cannabinoid Research","field":"Medicine","cited_by":40,"is_retracted":false,"has_abstract":true,"ca_institutions":"Public Health Agency of Canada; Brock University; Université Laval; University of Waterloo","funders":"Institute of Population and Public Health; Institute of Nutrition, Metabolism and Diabetes; Ministère de la Santé et des Services sociaux; Ministère de la Santé; Canadian Institutes of Health Research; Health Canada","keywords":"Cannabis; Pandemic; Coronavirus disease 2019 (COVID-19); Demography; Medicine; Context (archaeology); Geography; Psychiatry","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.003889774,0.0004050389,0.0004104203,0.0005585843,0.0009708637,0.0008467287,0.0009348325,0.000557414,0.002519966],"category_scores_gemma":[0.007019143,0.0003702667,0.001433891,0.001048792,0.0006104794,0.000526238,0.001287537,0.001204843,0.0002973169],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003038346,"about_ca_system_score_gemma":0.005942804,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.6190684,"about_ca_topic_score_gemma":0.636695,"domain_scores_codex":[0.9982517,0.0007044973,0.00008341857,0.00034573,0.0002080444,0.0004065406],"domain_scores_gemma":[0.996496,0.0008953905,0.0009690185,0.0004253563,0.0006309361,0.0005833597],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002590168,0.00007312492,0.996506,0.0000191786,0.0002353196,0.00001977236,0.0003269031,0.0003599154,0.0001213532,0.0001095887,0.0005384039,0.00143151],"study_design_scores_gemma":[0.000009788168,0.00008518212,0.998045,0.00001160639,0.00005641067,0.00001104298,0.0004294668,0.0007235148,0.00009483351,0.00003652637,0.0004907789,0.000005938047],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.994423,0.0001431749,0.0003930244,0.0002456441,0.00002165379,0.00004649614,0.004134853,0.00001460065,0.0005775316],"genre_scores_gemma":[0.9946595,0.00007624543,0.000522469,0.00008224449,0.00001000309,0.0001219485,0.003852384,0.000008628585,0.0006666363],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6190684,"threshold_uncertainty_score":0.76635,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1893636011348994,"score_gpt":0.4084967034176018,"score_spread":0.2191331022827024,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}